class_docstr: Configuration for the range of Unix time to profile.
  
  It returns the target time duration in dictionary format that you can pass to the
  :class:`~sagemaker.debugger.FrameworkProfile` class.
docstr: Set the start Unix time and duration.
  
  If the start Unix time is not specified,
  profile starting at step 0. If the duration is not specified, profile for 1 step.
  
  Args:
      start_unix_time (int): The Unix time to start profiling.
      duration (float): The duration in seconds to profile.
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code: def __init__(self, start_unix_time, duration):
      """Set the start Unix time and duration.
  
      If the start Unix time is not specified,
      profile starting at step 0. If the duration is not specified, profile for 1 step.
  
      Args:
          start_unix_time (int): The Unix time to start profiling.
          duration (float): The duration in seconds to profile.
  
      """
      self.start_unix_time = start_unix_time
      self.duration = duration
  
imports: from __future__ import absolute_import
  from sagemaker.debugger.profiler_constants import DATALOADER_PROFILING_CONFIG_NAME, DATALOADER_PROFILING_START_STEP_DEFAULT, DETAILED_PROFILING_CONFIG_NAME, DETAILED_PROFILING_START_STEP_DEFAULT, SMDATAPARALLEL_PROFILING_CONFIG_NAME, SMDATAPARALLEL_PROFILING_START_STEP_DEFAULT, HOROVOD_PROFILING_CONFIG_NAME, HOROVOD_PROFILING_START_STEP_DEFAULT, PROFILING_NUM_STEPS_DEFAULT, PYTHON_PROFILING_CONFIG_NAME, PYTHON_PROFILING_NUM_STEPS_DEFAULT, PYTHON_PROFILING_START_STEP_DEFAULT, START_STEP_DEFAULT
  from sagemaker.debugger.utils import convert_json_config_to_string, cProfileTimer, is_valid_regex, is_valid_unix_time, ErrorMessages, PythonProfiler
label_desc: Use image node_id 1 to create a new TimeRange object  with example: obj = TimeRange(start_unix_time, duration)